Everything is driven by an Arduino Pro Mini. The lights are APA106 LEDs; a 4-pin through-hole package version of the WS2812 pixels. You could easily substitute these for the surface mount ...

Arduino is a company that’s best known for making small, programmable microcontroller boards. But the new Arduino Pro Portenta X8 ... features an NXP i.MX 8M Mini 1.8 GHz quad-core ARM Cortex ...

Arduino enthusiasts may be interested in a new Mini ATtiny3217 development breakout board. The Dily3217 is an Arduino compatible development board measuring just 30 x 10mm in size, offering an ...

An Arduino Pro mini handles the selection between outputs by driving a selection of relays with appropriate timing. An interesting detail here is what [Lajt] calls a ‘sacrificial relay’ in the ...